Environmental

The environmental provision comprises the estimated probable future expenses for environmental remediation and protection of CHF 118 million (2017: CHF 89 million) for the plant in Visp (CH) as well as for various other plants of the acquired legacy Arch Chemicals business. The provision is expected to be utilized within ten years. The legacy Arch related provisions include environmental risks for existing as well as divested plants.

Restructuring

The restructuring provision primarily reflects the expected lease termination costs related to the phasedown of the Hopkinton, MA (USA) site amounting to CHF 9 million (2017: CHF 16 million) as well as ongoing restructuring programs.

Other

Other provisions are predominately associated with customer claims, the asset retirement obligations of the Singapore-based operations, and costs related to the Capsugel integration.